<template>
  <div class="food" v-show="showFlag" ref="food">
    <div class="food-content">
      <div class="image-header">
        <img :src="food.image" />
        <div @click="hide" class="icon-back">
          <i class="icon-arrow_lift"></i>
        </div>
      </div>
      <div class="content">
        <h1 class="title">{{food.name}}</h1>
        <div class="detail">
          <span class="sell-count">月售{{food.sellCount}}份</span>
          <span class="rating">好评率{{food.rating}}</span>
        </div>
        <div class="price">
          <span class="now"><span class="sign">￥</span>{{food.price}}</span>
          <span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
        </div>
        <div class="cartcontrol-wrapper">
          <cart-control :food="food" @add="addFood"></cart-control>
        </div>
        <transition name="fade">
          <div @click.stop.prevent="addFirst" class="buy" v-show="showCount">加入购物车</div>
        </transition>
      </div>
      <split v-show="food.info"></split>
      <div class="info" v-show="food.info">
        <div class="title">商品信息</div>
        <p class="text">{{food.info}}</p>
      </div>
      <split></split>
      <div class="rating">
        <div class="title">商品评价</div>
        <rating-select
          :ratings="food.ratings"
          @select="selectRatings"
          @toggle="toggleContent"
          :onlyContent="onlyContent"
          :desc="desc"
          :selectType="selectType"
        ></rating-select>
        <div class="rating-wrapper">
           <ul v-show="food.ratings&&food.ratings.length">
              <li
                v-for="rating in food.ratings"
                class="rating-item border-bottom"
                v-show="needShow(rating.rateType, rating.text)"
              >
                <div class="user">
                  <span class="name">{{rating.username}}</span>
                  <img class="avatar" width="12" height="12" :src="rating.avatar" />
                </div>
                <div class="time">{{rating.rateTime | formatDate}}</div>
                <p class="text">
                  <span :class="{'icon-thumb_up': rating.rateType===0, 'icon-thumb_down': rating.rateType===1}"></span>
                  {{rating.text}}
                </p>
              </li>
           </ul>
           <div class="no-ratings" v-show="!food.ratings || !food.ratings.length">暂无评价</div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import split from './common/Split'
import CartControl from './common/CartControl'
import RatingSelect from './common/RatingSelect'
import BScroll from 'better-scroll'
import { formatDate } from 'lib/tools.js'
import { mapState, mapMutations, mapActions, mapGetters } from 'vuex'

  const ALL = 2

export default {
  name: 'food',
  props: {
    food: {
      type: Object,
      default: () => {}
    }
  },
  components: {
    CartControl,
    split,
    RatingSelect
  },
  data () {
    return {
      showFlag: false,
      selectType: ALL,
      onlyContent: false,
      desc: {
        all: '全部',
        positive: '推荐',
        negative: '吐槽'
      }
    }
  },
  methods: {
    ...mapMutations(['SET_COUNT']),
    show () {
      this.showFlag = true
      this.$nextTick(() => {
        if (!this.scroll) {
          this.scroll = new BScroll(this.$refs.food, { click: true })
        } else {
          this.scroll.refresh()
        }
      })
    },
    hide () {
      this.showFlag = false
    },
    addFood () {
      //
    },
    addFirst () {
      this.SET_COUNT({food: this.food})
    },
    selectRatings (type) {
      this.selectType = type
      this.$nextTick(() => {
        this.scroll.refresh()
      })
    },
    toggleContent () {
      this.onlyContent = !this.onlyContent
      this.$nextTick(() => {
        this.scroll.refresh()
      })
    }
  },
  computed: {
    // ...mapState({
    //   food: state => state.selFood
    // }),
    showCount () {
      return  (!this.food.count || this.food.count===0) ? true : false
    },
    needShow: function () {
      return function (type, text) {
        if (this.onlyContent && !text) return false
        else if (this.selectType === ALL) return true
        else return this.selectType === type
      }
    }
  },
  filters: {
    formatDate (time) {
      let date = new Date(time)
      return formatDate(date, 'yyyy-MM-dd hh:mm')
    }
  }
}
</script>

<style lang="stylus" scoped>
.food
  position fixed
  top 0
  left 0
  bottom 48px
  z-index 30
  width 100%
  background #fff
  // .food-content
  .image-header
    position relative
    width 100%
    height 0
    padding-bottom 100%
    img
      position absolute
      top 0
      left 0
      width 100%
      height 100%
    .icon-back
      position absolute
      top 10px
      left 10px
      .icon-arrow_lift
        display block
        padding 10px
        font-size 20px
        color #fff
  .content
    position relative
    padding 18px
    .title
      line-height 14px
      margin-bottom 8px
      font-size 14px
      font-weight 700
      color rgb(7, 17, 27)
    .detail
      margin-bottom 18px
      line-height 10px
      height 10px
      font-size 10px
      .sell-count, .rating
        color rgb(147, 153, 159)
      .sell-count
        margin-right 12px
    .price
      line-height 19px
      font-size 0
      .now
        margin-right 8px
        font-size 16px
        font-weight 900
        color #fa3a12
        .sign
          font-size 11px
      .old
        font-size 10px
        text-decoration line-through
        color rgb(147, 153, 159)
    .cartcontrol-wrapper
      position absolute
      right 12px
      bottom 12px
    .buy
      position absolute
      right 18px
      bottom 18px
      padding 0 12px
      line-height 24px
      height 24px
      background rgb(0, 160, 220)
      color #fff
      font-size 10px
      border-radius 12px
      box-sizing border-box
      opacity 1
      &.fade-enter-active, &.fade-leave-active
        transition all .2s
      &.fade-enter, &.fade-leave-to
        opacity 0
  .info
    padding 18px
    .title
      margin-bottom 6px
      line-height 14px
      font-size 14px
      color rgb(7, 17, 27)
    .text
      line-height 24px
      padding 0 8px
      font-size 12px
      color rgb(77, 85, 93)
  .rating
    padding-top 18px
    .title
      margin-left 18px
      line-height 14px
      font-size 14px
      color rgb(7, 17, 27)
    .rating-wrapper
      padding 0 18px
      .rating-item
        position relative
        padding 16px 0
        .user
          position absolute
          right 0
          top 16px
          line-height 12px
          .name
            display inline-block
            margin-right 6px
            font-size 10px
            vertical-align bottom
            color rgb(147, 153, 159)
          .avatar
            border-radius 50px
        .time
          margin-bottom 6px
          line-height 12px
          font-size 10px
          color rgb(147, 153, 159)
        .text
          line-height 16px
          font-size 12px
          color rgb(7, 17, 27)
          .icon-thumb_up, .icon-thumb_down
            margin-right 4px
            line-height 16px
            font-size 12px
          .icon-thumb_up
            color rgb(0, 160, 220)
          .icon-thumb_down
            color rgb(147, 153, 159)
    .no-ratings
      padding 16px 0
      font-size 12px
      color rgb(147, 153, 159)
</style>
